Exoplanet
GJ 357 b
Orbiting GJ 357
Overview
GJ 357 b is an exoplanet orbiting the star GJ 357, discovered in 2019 using the Transit method. It is a Earth-sized world.
Key Measurements
Radius
1.20
Earth radii
015 R⊕
Mass (est.)
1.87
Earth masses
0500 M⊕
Orbital Period
3.9
days
0.1d10,000d
Distance
9.4
parsecs
Nearby10,000 pc
Equilibrium Temp
518
K
150 K3,500 K
Radius (Earth radii)
1.20
Mass (Earth masses)
1.87
Estimated
Equilibrium Temperature
518 K
Orbital Period
3.93 days
Distance from Earth
9.4 pc (~31 ly)
Spectral Type
M2.5 V
Temperature
3505 K
Mass (Solar)
0.34 M☉
Radius (Solar)
0.34 R☉
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
144.0075°, -21.6651°
Discovery Method
Transit
Discovery Year
2019
Data Sources
Source ID: GJ 357 b